3) analog time base integrated circuit

模拟时基集成电路
4) 555timer integrated circuit

555定时集成电路
5) Si-substrate integrated circuit

硅基集成电路
1.
Development of Si-substrate integrated circuits and new generation dielectric oxide materials for MOS gates;
硅基集成电路的发展和新一代栅极氧化物材料的研究现状
6) 555 circuit of time-base form

555时基电路构成
补充资料:BiCMOS集成电路